function act(x) {
	oldClass=x.className;
	x.className="over";
	x.onmouseout=function() {
  		this.className=oldClass;
   	}
/*   	m = x.parentNode.parentNode.parentNode;
   	if(m.className == "sub1") {
  		alert(m.getPropertyValue('left'));
  		y = x.childNodes[0];
  		if (y.nodeName !== 'TABLE') {
  			y = x.childNodes[1];
  		}
  		y.style.left = 100;
   	}*/
}